Adults have the same musical road to travel as the younger student, but the study material for a mature student will differ slightly in content. Since these beloved books were written and arranged especially for adults, they contain a wonderful mix of classical arrangements, well-known folk-tunes and outstanding originals that many will find a pleasure to learn and play. Most importantly, the student is always encouraged to play as artistically and with as much musical understanding as possible. The accompanying audio is accessed through Hal Leonard's popular MyLibrary system using the provided code. The audio can be streamed or downloaded and includes PLAYBACK+, a multi-functional audio player that allows you to slow down audio without changing pitch, set loop points, change keys, and pan left or right.